expression
nothing special; no big deal; doesn't matter
An emphatic, dismissive phrase used to brush off something as unimportant or not worth worrying about. Often used in response to a concern or boast.
「大丈夫？痛くない？」「なんのその、これくらい平気だよ。」
"Are you okay? Doesn't it hurt?" "It's nothing, this much is fine."
彼は難しい試験もなんのその、満点を取った。
He aced the difficult exam as if it were nothing.